> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.tdi-tuning.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# I think my product is faulty. What should I do?

Contact us immediately by telephone, or email the technical team directly on technical@tdi-tuning.com and we will happily assist you. In the first instance we may ask you to follow some simple steps to help diagnose the problem or resolve it. If the problem can't be solved remotely, we will likely initiate a return for inspection if the product is under warranty.